Twitter revealed its new tools for users to report cases of impersonation and doxing – sharing of private and confidential data. The company also tripled the size of its team handling the reports of abuse.

Citizens of Australia decided to troll their ministers with iMessage texts. They send messages in protest over a controversial legislation that could increase the length of time the authorities retain communications information.

Security researchers claimed that a serious security problem originating from the advertising software installed on Lenovo computers appeared to be more widespread than they first believed. The so-called “Superfish” vulnerability affected a number of Lenovo laptops shipped late in 2014 by exposing laptop users to a hijacking technique. Today security experts also believe that it affects parental control tools and other adware.

The FBI and the US State Department have offered a $3,000,000 reward for information that can help arrest or convict a Russian national Evgeniy Bogachev. $3m is recognized as the highest bounty the United States has ever offered for a cybercriminal.

Two tech giants have announced a similar move. Reddit, a well-known social-networking and news website, claimed that it would remove nude pictures, videos and links to them if the person featured there has not given permission to post them. Google follows the move and is also going to remove most nude photos and video from publicly accessible websites on its Blogger service.

The streaming service has launched a separate app for children able to filter out inappropriate content, hide comments and prevent them from registering and logging in to YouTube service. The app was launched in the United States only, for Android and for iOS devices. Google, the YouTube parent company, promised to roll it out elsewhere in the future. YouTube Kids App will be free and funded by advertising, with the company promising to carefully screen the adverts to make sure they are appropriate for the young viewers.